Luna drill bit 8.5 mm HSS 1/4" bit shank

High-quality HSS twist drill bit with a 1/4" hex shank for quick bit changes. განსაკუთრებით suitable for drilling metal, but also performs well in other materials. The ground and steam-tempered surface reduces friction and improves service life.

Features:

Material: HSS (High Speed Steel) – excellent heat resistance and durability

Length: Standard size for an 8.5 mm diameter bit

Shank: 1/4" hex shank – fits quick chucks and screwdrivers/drills

Tip: Self-centering – makes starting the hole easier

Surface: Steam-tempered – reduces friction and heat buildup